CN209679177U

CN209679177U - A kind of infusion bag with filter device

Info

Publication number: CN209679177U
Application number: CN201920166996.1U
Authority: CN
Inventors: 张颖; 许毅
Original assignee: Chongqing Fourth People's Hospital
Current assignee: Chongqing Fourth People's Hospital
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2019-11-26
Anticipated expiration: 2029-01-30

Abstract

The utility model discloses a kind of infusion bags with filter device, by bag body, dosing conduit, outlet tube and filter assemblies are constituted, medical staff will enter drug in bag body from dosing conduit, filter assemblies are flowed to from outlet tube, filter assemblies are by support base again, side filter plate and upper filter plate are constituted, side filter plate is made of first segment and second segment again, first segment and second segment and upper filter plate intercept the transfusion particle in medical fluid, the cross section of the lateral wall of first segment is a downward opening circular arc, the transfusion particle filtered is obtained to be not easy on the lateral wall for being adhered to first segment under self gravitation effect, the effect of liquid medicine flow rate when improving filtering transfusion particle.

Description

A kind of infusion bag with filter device

Technical field

The utility model relates to the field of medical instrument technology more particularly to a kind of infusion bags with filter device.

Background technique

Most common a kind of therapeutic modality when drug infusion treatment in clinical treatment, and the quality of medication infusion treatment is direct Effect and the time of the disease treatment of this patient are influenced, in infusion process, drug is added to after infusion bag, sometimes can be by In the concentration of drug, the factors such as pH value or drug interaction lead to occur transfusion particle in infusion bag, will in infusion process Transfusion particle brings human body into, there are problems that causing harm to the human body.Elder generation is all filter device to be provided in infusion bag, but show Some filter devices exist after the transfusion particle filtered blocks filter device in filtering, influence liquid medicine flow rate Effect.

Utility model content

The purpose of this utility model is to provide a kind of infusion bags with filter device, it is intended to it is micro- to solve the infusion filtered After grain blocks filter device, the effect of liquid medicine flow rate is influenced.

To achieve the above object, a kind of infusion bag with filter device that the utility model uses, the infusion bag include Bag body, dosing conduit, outlet tube and filter assemblies, the bag body is interior to have cavity, and the dosing conduit is fixed with the bag body Connection, and it is located at the top of the bag body, and be connected to the cavity, the outlet tube is fixedly connected with the bag body, and position Be connected in the lower section of the bag body, and with the cavity, the filter assemblies are detachably connected with the outlet tube, and with it is described Outlet tube connection；

The filter assemblies include support base, side filter plate and upper filter plate, have fluid hole, institute in the support base The lower end of the outlet tube is inserted in the one end for stating support base, and the side filter plate includes first segment and second segment, and described first One end of section is fixedly connected with the upper end of the support base, and is connected to the fluid hole, and the diameter of the first segment is under Up be gradually reduced, one end of the second segment is fixedly connected with the other end of the first segment, the diameter of the second segment from Under be up gradually increased, the upper filter plate is fixedly connected with the other end of the second segment, and the diameter of the upper filter plate is big The diameter of the small upper port equal to the second segment, and it is less than the diameter of the lower port of the first segment.

Wherein, the infusion bag further includes pendant, and the pendant is fixedly connected with the bag body, and is located at the bag body Top.

Wherein, the dosing conduit includes tube body and sterilizing layer, and the tube body is fixedly connected with the bag body, and is located at institute The top of bag body is stated, and is connected to the cavity, the sterilizing layer is Nian Jie with the tube body, and is located at the inside of the tube body.

Wherein, the dosing conduit further includes protective jacket and connecting rope, and the protective jacket is detachably connected with the tube body, One end of the connecting rope is fixedly connected with the protective jacket, and the other end of the connecting rope is fixedly connected with the tube body.

Wherein, it is set as hose in the middle part of the tube body, is sheathed with elastic component on the hose.

Wherein, the infusion bag further includes air bag, and the air bag is fixedly connected with the support base, and with the fluid hole Connection.

Wherein, the infusion bag further includes buoy, and the buoy position is in the cavity.

Wherein, check valve, the top for being unidirectionally located at the filter assemblies are provided in the outlet tube.

The infusion bag of the utility model, by being made of bag body, dosing conduit, outlet tube and filter assemblies, medical staff It will enter in the bag body from the dosing conduit by drug, and flow to the filter assemblies, the filter assemblies from the outlet tube It is to be made of support base, side filter plate and upper filter plate again, the side filter plate is made of first segment and second segment again, The first segment and the second segment and the upper filter plate intercept the transfusion particle in medical fluid, the outside of the first segment The cross section of wall is a downward opening circular arc, obtains the transfusion particle filtered and is not easy to adhere under self gravitation effect On the lateral wall of the first segment, the effect of liquid medicine flow rate when improving filtering transfusion particle.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model filter bag；

Enlarged drawing at Fig. 2 Fig. 1 filter assemblies；

Enlarged drawing at Fig. 3 Fig. 1 dosing conduit.

In figure: 100- infusion bag, 10- bag body, 11- cavity, 20- dosing conduit, 21- tube body, 211- hose, 212- elasticity Part, 22- sterilizing layer, 23- protective jacket, 24- connecting rope, 30- outlet tube, 31- check valve, 40- filter assemblies, 41- support base, 411- fluid hole, the side 42- filter plate, 421- first segment, 422- second segment, the upper filter plate of 43-, 50- pendant, 60- air bag, 70- buoy.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.In addition, the meaning of " plurality " is two or more in the description of the present invention, unless separately There is clearly specific restriction.

It please refers to Fig.1 to Fig.3, the utility model provides a kind of infusion bag with filter device, and the infusion bag 100 is wrapped Bag body 10, dosing conduit 20, outlet tube 30 and filter assemblies 40 are included, there is cavity 11, the dosing conduit in the bag body 10 20 are fixedly connected with the bag body 10, and are located at the top of the bag body 10, and be connected to the cavity 11, the outlet tube 30 It is fixedly connected with the bag body 10, and is located at the lower section of the bag body 10, and be connected to the cavity 11, the filter assemblies 40 It is detachably connected with the outlet tube 30, and is connected to the outlet tube 30；

The filter assemblies 40 include support base 41, side filter plate 42 and upper filter plate 43, tool in the support base 41 Have fluid hole 411, the lower end of the outlet tube 30 is inserted in one end of the support base 41, the side filter plate 42 includes first Section 421 and second segment 422, one end of the first segment 421 be fixedly connected with the upper end of the support base 41, and with it is described out liquid Hole 411 is connected to, and the diameter of the first segment 421 is gradually reduced from the bottom up, one end of the second segment 422 and described first The other end of section 421 is fixedly connected, and the diameter of the second segment 422 is gradually increased from the bottom up, the upper filter plate 43 and institute The other end for stating second segment 422 is fixedly connected, and the diameter of the upper filter plate 43 is equal to the upper port of the second segment 422 Diameter, and be less than the first segment 421 lower port diameter.

In the present embodiment, the bag body 10 is made of medical grade plastic, and outer surface is printed on graduation mark, is conducive to observation The capacity of infusion, the dosing conduit 20 are integrally formed with the bag body 10, and the bag body 10 is provided with physiological saline, medical care people Member adds drug from the dosing conduit 20 using syringe in the bag body 10, and added drug and physiological saline may Interaction is generated, causes to generate non-metabolism granule foreign in the bag body 10, generates transfusion particle, flow into the outlet tube 30 Interior, until transfusion particle is intercepted by the filter assemblies 40, the filter assemblies 40 are again by support base 41, side filter plate 42 It is constituted with upper filter plate 43, the support base 41 is plastic conduit, and the upper end has under external screw thread and the outlet tube 30 The screw-internal thread fit at end realizes dismountable effect, if not being used in disposable occasion, obtains convenient for the clean side filtering The effect of plate 42 and the upper filter plate 43, the circular arc of the side cross-sectional openings of the first segment 421 upward, the second segment 422 side cross section is downward opening circular arc, and the area of the upper filter plate 43 adds 422 horizontal direction of second segment Smallest cross-section area and 421 horizontal direction of first segment the maximum cross-section area difference, just be equal to the support base 41 The area of the interior fluid hole 411, the side plate filter plate and the upper filter plate 43 are all by band micropore supporting frame and mistake Filter membrane is constituted, and dimethyl silicone polymer filter membrane can be selected in the material of filter membrane, can be filtered to transfusion particle, described first The cross section of the lateral wall of section 421 is a downward opening circular arc, obtains the transfusion particle filtered in self gravitation effect Under be not easy on the lateral wall for being adhered to the first segment 421, improve filtering transfusion particle when medical fluid circulating rate effect.

Further, the infusion bag 100 further includes pendant 50, and the pendant 50 is fixedly connected with the bag body 10, and Positioned at the top of the bag body 10.In the embodiment of present embodiment, the pendant 50 is ear shaped with holes, is obtained convenient for defeated The effect hung when liquid.

Further, the dosing conduit 20 includes tube body 21 and sterilizing layer 22, and the tube body 21 and the bag body 10 are solid Fixed connection, and it is located at the top of the bag body 10, and be connected to the cavity 11, the sterilizing layer 22 is in (with) tube body 21 Bonding, and it is located at the inside of the tube body 21.In the embodiment of present embodiment, the sterilizing layer 22 can be disappeared using medical Malicious cotton is made, and when the syringe needle of syringe is inserted into the tube body 21, the sterilizing layer 22 generates friction with syringe needle outer wall, by needle Insoluble micro-particle on head outer wall is adhered to, and reduction pollutes the medical fluid in the bag body 10.

Further, the dosing conduit 20 further includes protective jacket 23 and connecting rope 24, the protective jacket 23 and the pipe Body 21 is detachably connected, and one end of the connecting rope 24 is fixedly connected with the protective jacket 23, the other end of the connecting rope 24 It is fixedly connected with the tube body 21.In the embodiment of present embodiment, spiral shell is can be selected with the tube body 21 in the protective jacket 23 Line connection or fitting obtain pollutant during infusion and enter in the bag body 10 from the channel of the tube body 21, In During being added drug, the protective jacket 23 is opened, avoids the protective jacket 23 from losing by the connecting rope 24 acquisition The effect fallen.

Further, the middle part of the tube body 21 is set as hose 211, is sheathed with elastic component on the hose 211.At this In the embodiment of embodiment, the elastic component uses rubber band, and the hose 211 is rubber tube, completes when syringe is pushed into After drug delivery, in the moment of extraction, under the elastic force effect of the rubber band, rubber tube clutches closing, and excessive air is avoided to enter The bag body 10, the effect that the medical fluid in the bag body 10 is polluted.

Further, the infusion bag 100 further includes air bag 60, and the air bag 60 is fixedly connected with the support base 41, And it is connected to the fluid hole 411.In the embodiment of present embodiment, the lower end of the support base 41 is connected with infusion apparatus, Flow control valve on the infusion apparatus is closed, the air-flow that air bag 60 described in pinching generates is by transfusion particle from the side mistake The filter hole of filter plate 42 and the upper filter plate 43 separates, and plays the effect temporarily dredged when needing,

Further, the infusion bag 100 further includes buoy 70, and the buoy 70 is located in the cavity 11.In this reality It applies in the embodiment of mode, the material for the density that the buoy 70 is less than physiological saline using density is made, and is sphere, in institute State when having medical fluid in infusion bag 100, float on above medical fluid always, with the progress of infusion, medical fluid is fewer and fewer, sphere with to Lower movement, the diameter of sphere are greater than the diameter of the outlet tube 30, block until by the channel of the outlet tube 30, avoid air As infusion apparatus enters the problem of patient vessel causes lung bolt.

Further, check valve 31 is provided in the outlet tube 30, it is described unidirectionally positioned at the upper of the filter assemblies 40 Side.In the embodiment of present embodiment, the check valve 31 is that liquid non-return valve 31 can be kept away after infusion-completed Exempt from the effect of blood backflow.

Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this Novel interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to Equivalent variations made by the utility model claims, still falls within the scope of the utility model.

Claims

1. a kind of infusion bag with filter device, which is characterized in that

The infusion bag includes bag body, dosing conduit, outlet tube and filter assemblies, has cavity, the dosing in the bag body Conduit is fixedly connected with the bag body, and is located at the top of the bag body, and is connected to the cavity, the outlet tube with it is described Bag body is fixedly connected, and is located at the lower section of the bag body, and be connected to the cavity, and the filter assemblies and the outlet tube can Dismantling connection, and be connected to the outlet tube；

The filter assemblies include support base, side filter plate and upper filter plate, have fluid hole, the branch in the support base The lower end of the outlet tube is inserted in one end of support seat, and the side filter plate includes first segment and second segment, the first segment One end is fixedly connected with the upper end of the support base, and is connected to the fluid hole, and the diameter of the first segment is from the bottom up It is gradually reduced, one end of the second segment is fixedly connected with the other end of the first segment, and the diameter of the second segment is from lower past On be gradually increased, the upper filter plate is fixedly connected with the other end of the second segment, the diameter etc. of the upper filter plate In the diameter of the upper port of the second segment, and it is less than the diameter of the lower port of the first segment.

2. infusion bag as described in claim 1, which is characterized in that the infusion bag further includes pendant, the pendant with it is described Bag body is fixedly connected, and is located at the top of the bag body.

3. infusion bag as described in claim 1, which is characterized in that the dosing conduit includes tube body and sterilizing layer, the pipe Body is fixedly connected with the bag body, and is located at the top of the bag body, and be connected to the cavity, the sterilizing layer and the pipe Body bonding, and it is located at the inside of the tube body.

4. infusion bag as claimed in claim 3, which is characterized in that the dosing conduit further includes protective jacket and connecting rope, institute It states protective jacket to be detachably connected with the tube body, one end of the connecting rope is fixedly connected with the protective jacket, the connecting rope The other end be fixedly connected with the tube body.

5. infusion bag as claimed in claim 4, which is characterized in that hose is set as in the middle part of the tube body, on the hose It is sheathed with elastic component.

6. infusion bag as described in claim 1, which is characterized in that the infusion bag further includes air bag, the air bag with it is described Support base is fixedly connected, and is connected to the fluid hole.

7. infusion bag as described in claim 1, which is characterized in that the infusion bag further includes buoy, and the buoy is located at institute It states in cavity.

8. infusion bag as described in claim 1, which is characterized in that be provided with check valve, the unidirectional position in the outlet tube In the top of the filter assemblies.